Northern Ireland (Belfast)
January
Weather in Northern Ireland for January 2025
Your guide to Northern Ireland weather in January - trends and predictions
In general, the average temperature in Northern Ireland at the beginning of January is 7.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 8 °C by the end of January.
Northern Ireland sees moderate rainfall in January, averaging 10 rainy days.
Snowfall in Northern Ireland during January is quite rare, with fewer than 2 snowy days on average.
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20
Dry days
10
Rainy days
1
Snow days
8°/1°
Temperatures
28 km/h
Avg max wind
86 %
Avg humidity
Northern Ireland in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  6° | 3  10° | 4  9° | 5  7° | ||
| 6 7° | 7 7° | 8 6° | 9 5° | 10 9° | 11 7° | 12 7° |
| 13 7° | 14 7° | 15 3° | 16 3° | 17 2° | 18 4° | 19  3° |
| 20 7° | 21 9° | 22 9° | 23 11° | 24 9° | 25 10° | 26 7° |
| 27 6° | 28 9° | 29 8° | 30 7° | 31 9° |
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Temperatures trend during January in Northern Ireland
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Overcast | 8° /2° | 7.1 mm | 0 cm | |
| 2 Jan. | Partly cloudy | 6° /2° | 1.3 mm | 0 cm | |
| 3 Jan. | Moderate or heavy rain shower | 10° /4° | 9 mm | 0 cm | |
| 4 Jan. | Patchy rain possible | 9° /5° | 0.6 mm | 0 cm | |
| 5 Jan. | Heavy rain at times | 7° /4° | 1 mm | 0 cm | |
| 6 Jan. | Overcast | 7° /3° | 2.1 mm | 0 cm | |
| 7 Jan. | Patchy rain possible | 7° /3° | 1.8 mm | 0 cm | |
| 8 Jan. | Moderate rain at times | 6° /2° | 0.3 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 5° /2° | 0.2 mm | 0 cm | |
| 10 Jan. | Moderate or heavy rain shower | 9° /2° | 8.2 mm | 0 cm | |
| 11 Jan. | Patchy rain possible | 7° /2° | 2.2 mm | 0 cm | |
| 12 Jan. | Moderate rain at times | 7° /2° | 2.5 mm | 0 cm | |
| 13 Jan. | Overcast | 7° /2° | 1.7 mm | 0 cm | |
| 14 Jan. | Patchy rain possible | 7° /2° | 1.2 mm | 0 cm | |
| 15 Jan. | Patchy rain possible | 3° /0° | 3 mm | 0 cm | |
| 16 Jan. | Overcast | 3° /-2° | 1.2 mm | 0.2 cm | |
| 17 Jan. | Patchy rain possible | 2° /-2° | 0.4 mm | 0.3 cm | |
| 18 Jan. | Patchy rain possible | 4° /-2° | 0.6 mm | 0.3 cm | |
| 19 Jan. | Cloudy | 3° /-1° | 0 mm | 0 cm | |
| 20 Jan. | Overcast | 7° /1° | 2.1 mm | 0 cm | |
| 21 Jan. | Patchy rain possible | 9° /3° | 5 mm | 0 cm | |
| 22 Jan. | Patchy rain possible | 9° /5° | 1.8 mm | 0 cm | |
| 23 Jan. | Patchy rain possible | 11° /4° | 3.9 mm | 0 cm | |
| 24 Jan. | Patchy rain possible | 9° /4° | 0.2 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 10° /4° | 2.4 mm | 0 cm | |
| 26 Jan. | Partly cloudy | 7° /3° | 0.2 mm | 0 cm | |
| 27 Jan. | Overcast | 6° /2° | 0.1 mm | 0 cm | |
| 28 Jan. | Overcast | 9° /3° | 0.8 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 8° /3° | 1.2 mm | 0 cm | |
| 30 Jan. | Overcast | 7° /2° | 0 mm | 0 cm | |
| 31 Jan. | Overcast | 9° /3° | 2.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Northern Ireland in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Northern Ireland forecast closer to your planned date for the most up-to-date weather information.
Northern Ireland in January - FAQ
What are the expected maximum and minimum temperatures in Northern Ireland during January?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 1°.
How much rainfall should be expected in Northern Ireland during January?
Significant rainfall exceeding 129.2 mm is expected in Northern Ireland during January, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Northern Ireland during January?
Northern Ireland experiences an average snowfall of 1.6 cm during January, occurring over 1 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Northern Ireland during January?
The average wind speed in Northern Ireland during January is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Northern Ireland
Explore the daily rainfall trends and prepare for Northern Irelands January weather 💧
January snowfall in Northern Ireland
Track daily snowfall levels and discover Northern Ireland’s snowy potential this January ❄️
Provinces in Northern Ireland
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Top locations in Northern Ireland
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